CN217729578U - Forming device of polyimide film - Google Patents
Forming device of polyimide film Download PDFInfo
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- CN217729578U CN217729578U CN202221194634.1U CN202221194634U CN217729578U CN 217729578 U CN217729578 U CN 217729578U CN 202221194634 U CN202221194634 U CN 202221194634U CN 217729578 U CN217729578 U CN 217729578U
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- cooling
- cooling cylinder
- film extruder
- forming
- polyimide film
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Abstract
The utility model discloses a polyimide film forming device, which comprises a film extruder, a second support plate and a cooling forming mechanism; a film extruder: the left end of the outer cambered surface of the film extruder is provided with a feed hopper, the right end of the film extruder is provided with a die head, the die head and the feed hopper are both communicated with the interior of the film extruder, and the lower end of the film extruder is respectively provided with a first support plate; a second support plate: two second support plates are symmetrically distributed in the front and back direction, and a cooling cylinder is rotatably connected between the two second support plates through a bearing; cooling and forming mechanism: arranged inside the cooling cylinder; wherein: still include the PLC controller, the PLC controller sets up in the first extension board front surface on right side, and this forming device of polyimide film conveniently makes cooling water flow carry out the circulation flow, and the flow of rivers is more stable, guarantees that the material cooling effect difference of same horizontal direction is little, avoids cooling inhomogeneous and influences the shaping quality of film.
Description
Technical Field
The utility model relates to a film production technical field specifically is a forming device of polyimide film.
Background
The polyimide film comprises a pyromellitic polyimide film and a biphenyl polyimide film, has excellent thermal stability, chemical corrosion resistance and mechanical property, is very stable in chemical property, can prevent combustion without adding a flame retardant, is used for groove insulation and cable wrapping materials of a motor, and can be used as a soft solar cell bottom plate.
The polyimide film is usually produced by a tape casting film forming method, the raw materials are plasticized and melted by an extruder, then extruded by a forming die, cast to the roll surface of a cooling roller which rotates stably in a sheet shape, and a film is cooled, shaped and wound on the cooling roller after traction and edge cutting.
However, when some molding devices are used, the movement path of cooling water flow in the cooling roller is not stable enough, and the cooling effect of the water flow on materials in the same horizontal direction is different, so that the molding quality is easily affected.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a forming device of polyimide film, make the flow of rivers more stable, guarantee that the material cooling effect difference of same horizontal direction is not big, avoid cooling off inhomogeneously and influence the shaping quality of film, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a polyimide film forming device comprises a film extruder, a second support plate and a cooling forming mechanism;
a film extruder: the left end of the outer cambered surface of the film extruder is provided with a feed hopper, the right end of the film extruder is provided with a die head, the die head and the feed hopper are both communicated with the interior of the film extruder, and the lower end of the film extruder is respectively provided with a first support plate;
a second support plate: two second support plates are symmetrically distributed in the front and back direction, and a cooling cylinder is rotatably connected between the two second support plates through a bearing;
the cooling and forming mechanism comprises: arranged inside the cooling cylinder;
wherein: still include the PLC controller, the PLC controller sets up in the first support plate front surface on right side, and the input electricity of PLC controller is connected in external power source, and the input electricity of film extruder is connected in the output of PLC controller, conveniently makes cooling water flow carry out the circulation flow, makes the flow of rivers more stable, improves the cooling effect, guarantees that the material cooling effect difference of same horizontal direction is not big, avoids cooling inhomogeneous and influences the shaping quality of film.
Further, cooling forming mechanism includes water pipe, fourth extension board, fixed column, guide plate and disc, the disc has two and front and back symmetric distribution, and the disc all rotates with the intrados of cooling cylinder to be connected, is equipped with the guide plate between two discs, and the back of the body from the lateral surface middle part of two guide plates all is equipped with the fixed column, and the one end that the cooling cylinder center was kept away from to the fixed column passes the round hole at cooling cylinder middle part respectively and is equipped with the fourth extension board, and the disc front surface symmetry of front side is equipped with the water pipe, and the water pipe all passes the fixed column middle part round hole of front side, makes the material cooling shaping.
Furthermore, the guide plate comprises a first planar spiral plate, a connecting plate and a second planar spiral plate, the first planar spiral plate and the second planar spiral plate are both arranged between the two disks, the central axis of the first planar spiral plate and the central axis of the second planar spiral plate are collinear, and the connecting plate is arranged between the central end of the first planar spiral plate and the central end of the second planar spiral plate and used for guiding the flowing direction of water flow.
Further, the guide plate still includes the arc, the arc sets up in the extrados of first plane spiral board, and the arc is installed with the cooperation of second plane spiral board, guarantees the circulation flow of rivers.
Furthermore, the side face of the rear end of the cooling cylinder behind the rotating ring is provided with an outer gear ring, the side face of the rear side behind the fourth support plate is provided with a motor, the front end of an output shaft of the motor penetrates through a round hole in the lower end of the rear side fourth support plate and is provided with a gear, the gear is meshed with the outer gear ring to be connected, and the input end of the motor is electrically connected to the output end of the PLC controller to provide power for rotation of the cooling cylinder.
Further, still include the third extension board, the third extension board has two and front and back symmetric distribution, rotates through the axis of rotation between two third extension boards to be connected with the deflector roll, and the deflector roll is located the right side of cooling cylinder and corresponds with cooling cylinder lateral position, guarantees that the material is laminated on cooling cylinder surface.
The film cooling device is characterized by further comprising two fifth supporting plates which are symmetrically distributed front and back, an air knife is arranged between the two fifth supporting plates, and the air knife is located on the left side of the cooling cylinder and corresponds to the transverse position of the cooling cylinder, so that the formed film can be conveniently conveyed.
Compared with the prior art, the beneficial effects of the utility model are that: the polyimide film forming device has the following advantages:
when the cooling device is used, the film extruder is started through the PLC, raw materials are extruded from a die head after being melted, then external compressed air is sprayed out through the air knife, the extruded raw materials are attached to the surface of the cooling cylinder, meanwhile, the motor is started, the cooling cylinder is made to rotate, the rotating speed is the same as the extruding speed of the raw materials, at the moment, under the connecting action of the fourth support plate and the fixed column, the guide plate and the disc cannot rotate, cooling water is guided into the cold water tank through the water pipe on the lower side, the cooling water flows spirally along the cold water tank, the water flow can be uniformly filled into the cooling cylinder when being in contact with the inner wall of the cooling cylinder, then the water pipe on the upper side is discharged through the backflow tank under the guiding action of the arc-shaped plate, the temperature inside the materials attached to the surface of the cooling cylinder is absorbed, the materials are cooled and formed, the cooling water flows conveniently and circularly, the cooling effect is improved, the difference of the material cooling effect in the same horizontal direction is ensured, and the forming quality of the film is prevented from being affected due to uneven cooling.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the cooling and forming mechanism of the present invention;
FIG. 3 is a schematic structural view of the deflector of the present invention;
fig. 4 is a schematic structural diagram of the motor of the present invention.
In the figure: the device comprises a film extruder 1, a feed hopper 2, a die head 3, a first support plate 4, a second support plate 5, a cooling cylinder 6, a third support plate 7, a guide roller 8, a cooling forming mechanism 9, a water pipe 91, a fourth support plate 92, a fixed column 93, a guide plate 94, a first plane spiral plate 941, a connecting plate 942, an arc plate 943, a second plane spiral plate 944, a circular disc 95, a PLC (programmable logic controller) 10, a motor 11, a gear 12, an outer toothed ring 13, a fifth support plate 14 and an air knife 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment provides a technical solution: a polyimide film forming device comprises a film extruder 1, a second support plate 5 and a cooling forming mechanism 9;
film extruder 1: the left end of the outer cambered surface is provided with a feed hopper 2 which is convenient for pouring raw materials into the film extruder 1, the right end of the film extruder 1 is provided with a die head 3 which is convenient for forming the raw materials, the die head 3 and the feed hopper 2 are both communicated with the interior of the film extruder 1, and the lower end of the film extruder 1 is respectively provided with a first supporting plate 4 which provides support for the film extruder 1;
a second support plate 5: two cooling cylinders 6 are symmetrically distributed in the front-back direction, the cooling cylinders 6 are rotatably connected between the two second support plates 5 through bearings to facilitate cooling of extruded raw materials, an outer gear ring 13 is arranged on the rear side face of a rotating ring at the rear end of each cooling cylinder 6, a motor 11 is arranged on the rear side face of a fourth support plate 92 at the rear side, the front end of an output shaft of the motor 11 penetrates through a circular hole at the lower end of the fourth support plate 92 at the rear side and is provided with a gear 12, the gear 12 is meshed with the outer gear ring 13 and is connected, an input end of the motor 11 is electrically connected with an output end of the PLC 10, the motor 11 is started, the output shaft of the motor 11 drives the gear 12 to rotate, the gear 12 is meshed with the outer gear ring 13 and is connected to drive the cooling cylinders 6 to rotate, and the rotating speed of the cooling cylinders 6 is the same as the extruding speed of the raw materials, the cooling device also comprises a third support plate 7, the third support plate 7 is provided with two guide rollers 8 which are symmetrically distributed in the front-back direction, a rotating shaft is arranged between the two third support plates 7, the guide rollers 8 are rotatably connected between the two third support plates 7, the guide rollers 8 are positioned on the right side of the cooling cylinder 6 and correspond to the transverse position of the cooling cylinder 6, the formed film is contacted with the upper end of the outer arc surface of the guide rollers 8 after bypassing the lower end of the outer arc surface of the cooling cylinder 6, the formed film is conveyed rightwards, the cooling device also comprises fifth support plates 14, the fifth support plates 14 are provided with two air knives 15 which are symmetrically distributed in the front-back direction, an air knife 15 is arranged between the two fifth support plates 14, the air knife 15 is positioned on the left side of the cooling cylinder 6 and corresponds to the transverse position of the cooling cylinder 6, and external compressed air is sprayed out through the air knives 15, so that extruded raw materials are attached to the surface of the cooling cylinder 6;
the cooling and forming mechanism 9: the cooling forming mechanism 9 comprises water pipes 91, fourth support plates 92, fixed columns 93, guide plates 94 and disks 95, two disks 95 are symmetrically distributed in the front and back direction, the disks 95 are rotationally connected with the inner cambered surface of the cooling cylinder 6, the guide plates 94 are arranged between the two disks 95, the middle parts of the two guide plates 94, which are opposite to the outer lateral surfaces, are respectively provided with the fixed columns 93, one ends of the fixed columns 93, which are far away from the center of the cooling cylinder 6, respectively penetrate through round holes in the middle of the cooling cylinder 6 and are provided with the fourth support plates 92, the front surfaces of the disks 95 on the front side are symmetrically provided with the water pipes 91, the water pipes 91 respectively penetrate through round holes in the middle of the fixed columns 93 on the front side, the guide plates 94 comprise first planar spiral plates 941, connecting plates 942 and second planar spiral plates 944, the first planar spiral plates 941 and the second planar spiral plates 944 are respectively arranged between the two disks 95, the central axis of the first planar spiral plates 941 is collinear with the central axis of the second planar spiral plates 944, a connecting plate 942 is arranged between the central end of the first planar spiral plate 941 and the central end of the second planar spiral plate 944, the guide plate 94 further comprises an arc plate 943, the arc plate 943 is arranged on the outer arc surface of the first planar spiral plate 941, the arc plate 943 is matched with the second planar spiral plate 944, in the rotation process of the cooling cylinder 6, under the connecting action of the fourth support plate 92 and the fixed column 93, the guide plate 94 and the disks 95 cannot rotate, the opposite inner side surfaces of the two disks 95, the inner arc surfaces of the first planar spiral plate 941 and the outer arc surfaces of the second planar spiral plate 944 form a cold water tank, the opposite inner side surfaces of the two disks 95, the outer arc surfaces of the first planar spiral plate 941 and the inner arc surfaces of the second planar spiral plate 944 form a reflux tank, cooling water is guided into the cold water tank through the water pipe 91 on the lower side, and the cooling water flows spirally along the cold water tank, when the water flow is in contact with the inner wall of the cooling cylinder 6, the water flow can be uniformly filled in the cooling cylinder 6, the difference of the material cooling effect in the same horizontal direction is ensured to be small, then the water flow is discharged from the water pipe 91 at the upper side through the reflux groove under the guiding action of the arc-shaped plate 943, the temperature in the material attached to the surface of the cooling cylinder 6 is absorbed, the material is cooled and formed, and the connection plate 942 is arranged to avoid the communication between the cold water groove and the middle part of the reflux groove;
wherein: the film extruder further comprises a PLC (programmable logic controller) 10, wherein the PLC 10 is arranged on the front surface of the first support plate 4 on the right side, the input end of the PLC 10 is electrically connected to an external power supply, and the input end of the film extruder 1 is electrically connected to the output end of the PLC 10 to control the starting and stopping of the whole device.
The utility model provides a pair of forming device of polyimide film's theory of operation as follows: when the cooling device is used, raw materials are poured into the film extruder 1 through the feeding hopper 2, the film extruder 1 is started through the PLC 10, the raw materials are extruded from the die head 3 after being melted, then external compressed air is sprayed out through the air knife 15, so that the extruded raw materials are attached to the surface of the cooling cylinder 6, the motor 11 is started, the output shaft of the motor 11 drives the gear 12 to rotate, the cooling cylinder 6 is driven to rotate through the meshing connection of the gear 12 and the external toothed ring 13, the rotating speed of the cooling cylinder 6 is the same as the extruding speed of the raw materials, at the moment, under the connecting action of the fourth support plate 92 and the fixed column 93, the guide plate 94 and the disk 95 cannot rotate, the opposite inner side surfaces of the two disks 95, the inner cambered surface of the first planar spiral plate 941 and the outer cambered surface of the second planar spiral plate 944 form cold water grooves, two disc 95's relative medial surface, the extrados of first plane spiral plate 941 and the intrados of second plane spiral plate 944 form the backward flow groove, water pipe 91 through the downside is with the leading-in cold water inslot of cooling water, the cooling water carries out the spiral flow along the cold water groove, make rivers can be even when with the contact of 6 inner walls of cooling cylinder fill inside the cooling cylinder 6, guarantee that the material cooling effect difference of same horizontal direction is not big, then discharge from the water pipe 91 of upside through the backward flow groove under arc 943's guide effect, absorb the inside temperature of material of laminating on 6 surfaces of cooling cylinder, make material cooling shaping, film after the shaping contacts with the extrados upper end of deflector roll 8 after walking around the extrados lower extreme of cooling cylinder 6, carry the film after the shaping to the right.
It should be noted that the PLC controller 10 disclosed in the above embodiment may be a TPC8-8TD PLC controller, the film extruder 1 and the motor 11 may be freely configured according to an actual application scenario, the film extruder 1 may be an SJM-35D film extruder, the motor 11 may be a 5IK40RGU-CF motor, and the PLC controller 10 and the motor 11 may all operate by a method commonly used in the prior art.
The above is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent structures or equivalent processes made by the contents of the specification and the drawings are utilized, or directly or indirectly applied to other related technical fields, and all the same principles are included in the patent protection scope of the present invention.
Claims (7)
1. A forming device of polyimide film is characterized in that: comprises a film extruder (1), a second support plate (5) and a cooling forming mechanism (9);
film extruder (1): a feed hopper (2) is arranged at the left end of the outer cambered surface of the film extruder, a die head (3) is arranged at the right end of the film extruder (1), the die head (3) and the feed hopper (2) are both communicated with the interior of the film extruder (1), and first support plates (4) are respectively arranged at the lower end of the film extruder (1);
second plate (5): two second support plates (5) are symmetrically distributed front and back, and a cooling cylinder (6) is rotatably connected between the two second support plates (5) through a bearing;
cooling and forming mechanism (9): is arranged inside the cooling cylinder (6);
wherein: still include PLC controller (10), PLC controller (10) set up in first extension board (4) front surface on right side, and the input electricity of PLC controller (10) is connected in external power source, and the input electricity of film extruder (1) is connected in the output of PLC controller (10).
2. The apparatus for forming a polyimide film according to claim 1, wherein: cooling forming mechanism (9) include water pipe (91), fourth extension board (92), fixed column (93), guide plate (94) and disc (95), disc (95) have two and front and back symmetric distribution, disc (95) all are connected with the intrados rotation of cooling cylinder (6), be equipped with guide plate (94) between two discs (95), the back of each other of two guide plates (94) all is equipped with fixed column (93) from the lateral surface middle part, the one end that cooling cylinder (6) center was kept away from in fixed column (93) passes the round hole at cooling cylinder (6) middle part respectively and is equipped with fourth extension board (92), disc (95) front surface symmetry of front side is equipped with water pipe (91), water pipe (91) all pass fixed column (93) middle part round hole of front side.
3. The apparatus for forming a polyimide film according to claim 2, wherein: guide plate (94) include first plane spiral board (941), connecting plate (942) and second plane spiral board (944), first plane spiral board (941) and second plane spiral board (944) all set up between two disc (95), and the central axis of first plane spiral board (941) and the central axis collineation of second plane spiral board (944) are equipped with connecting plate (942) between the central point of first plane spiral board (941) central point and second plane spiral board (944).
4. The apparatus for forming a polyimide film according to claim 3, wherein: guide plate (94) still include arc (943), arc (943) set up in the extrados of first plane spiral board (941), and arc (943) and second plane spiral board (944) cooperation installation.
5. The apparatus for forming a polyimide film according to claim 2, wherein: the rear side face of the rotating ring at the rear end of the cooling cylinder (6) is provided with an outer gear ring (13), the rear side face of a fourth support plate (92) at the rear side is provided with a motor (11), the front end of an output shaft of the motor (11) penetrates through a round hole at the lower end of the fourth support plate (92) at the rear side and is provided with a gear (12), the gear (12) is meshed with the outer gear ring (13) to be connected, and the input end of the motor (11) is electrically connected to the output end of the PLC (10).
6. The apparatus for forming a polyimide film according to claim 1, wherein: still include third extension board (7), third extension board (7) have two and front and back symmetric distribution, rotate through the axis of rotation between two third extension boards (7) and be connected with deflector roll (8), deflector roll (8) are located the right side of cooling cylinder (6) and correspond with cooling cylinder (6) lateral position.
7. The apparatus for forming a polyimide film according to claim 1, wherein: the cooling device is characterized by further comprising two fifth supporting plates (14), the fifth supporting plates (14) are symmetrically distributed in the front-back direction, an air knife (15) is arranged between the two fifth supporting plates (14), and the air knife (15) is located on the left side of the cooling cylinder (6) and corresponds to the transverse position of the cooling cylinder (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221194634.1U CN217729578U (en) | 2022-05-18 | 2022-05-18 | Forming device of polyimide film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221194634.1U CN217729578U (en) | 2022-05-18 | 2022-05-18 | Forming device of polyimide film |
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| Publication Number | Publication Date |
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| CN217729578U true CN217729578U (en) | 2022-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221194634.1U Active CN217729578U (en) | 2022-05-18 | 2022-05-18 | Forming device of polyimide film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116001161A (en) * | 2023-01-17 | 2023-04-25 | 浙江凯阳新材料股份有限公司 | Manufacturing equipment and process method of hydrolysis-resistant TPU film |
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2022
- 2022-05-18 CN CN202221194634.1U patent/CN217729578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116001161A (en) * | 2023-01-17 | 2023-04-25 | 浙江凯阳新材料股份有限公司 | Manufacturing equipment and process method of hydrolysis-resistant TPU film |
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